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authorMichal Krol <michal@vmware.com>2009-12-30 18:27:58 +0100
committerMichal Krol <michal@vmware.com>2009-12-30 18:27:58 +0100
commitbccdb239c700e0c7c90d27a281d5246b958581b5 (patch)
tree7fdbcef3bccad9d48380915224b7731419916cfa /src/gallium/drivers/softpipe
parent5007e39f76c897b8f3aa4acf6086c8b7ac30bdef (diff)
sp: Implement draw_elements_instanced().
Diffstat (limited to 'src/gallium/drivers/softpipe')
-rw-r--r--src/gallium/drivers/softpipe/sp_context.c1
-rw-r--r--src/gallium/drivers/softpipe/sp_draw_arrays.c46
-rw-r--r--src/gallium/drivers/softpipe/sp_state.h10
3 files changed, 55 insertions, 2 deletions
diff --git a/src/gallium/drivers/softpipe/sp_context.c b/src/gallium/drivers/softpipe/sp_context.c
index 406414ae3d..969d69d6b4 100644
--- a/src/gallium/drivers/softpipe/sp_context.c
+++ b/src/gallium/drivers/softpipe/sp_context.c
@@ -239,6 +239,7 @@ softpipe_create( struct pipe_screen *screen )
softpipe->pipe.draw_elements = softpipe_draw_elements;
softpipe->pipe.draw_range_elements = softpipe_draw_range_elements;
softpipe->pipe.draw_arrays_instanced = softpipe_draw_arrays_instanced;
+ softpipe->pipe.draw_elements_instanced = softpipe_draw_elements_instanced;
softpipe->pipe.clear = softpipe_clear;
softpipe->pipe.flush = softpipe_flush;
diff --git a/src/gallium/drivers/softpipe/sp_draw_arrays.c b/src/gallium/drivers/softpipe/sp_draw_arrays.c
index 6a593fb06a..debf5bfe06 100644
--- a/src/gallium/drivers/softpipe/sp_draw_arrays.c
+++ b/src/gallium/drivers/softpipe/sp_draw_arrays.c
@@ -193,6 +193,26 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe,
unsigned startInstance,
unsigned instanceCount)
{
+ return softpipe_draw_elements_instanced(pipe,
+ NULL,
+ 0,
+ mode,
+ start,
+ count,
+ startInstance,
+ instanceCount);
+}
+
+boolean
+softpipe_draw_elements_instanced(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode,
+ unsigned start,
+ unsigned count,
+ unsigned startInstance,
+ unsigned instanceCount)
+{
struct softpipe_context *sp = softpipe_context(pipe);
struct draw_context *draw = sp->draw;
unsigned i;
@@ -216,8 +236,26 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe,
draw_set_mapped_vertex_buffer(draw, i, buf);
}
- draw_set_mapped_element_buffer_range(draw, 0, start,
- start + count - 1, NULL);
+ /* Map index buffer, if present */
+ if (indexBuffer) {
+ void *mapped_indexes;
+
+ mapped_indexes = pipe_buffer_map(pipe->screen,
+ indexBuffer,
+ PIPE_BUFFER_USAGE_CPU_READ);
+ draw_set_mapped_element_buffer_range(draw,
+ indexSize,
+ 0,
+ 0xffffffff,
+ mapped_indexes);
+ } else {
+ /* no index/element buffer */
+ draw_set_mapped_element_buffer_range(draw,
+ 0,
+ start,
+ start + count - 1,
+ NULL);
+ }
/* draw! */
draw_arrays_instanced(draw, mode, start, count, startInstance, instanceCount);
@@ -227,6 +265,10 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe,
draw_set_mapped_vertex_buffer(draw, i, NULL);
pipe_buffer_unmap(pipe->screen, sp->vertex_buffer[i].buffer);
}
+ if (indexBuffer) {
+ draw_set_mapped_element_buffer(draw, 0, NULL);
+ pipe_buffer_unmap(pipe->screen, indexBuffer);
+ }
/* Note: leave drawing surfaces mapped */
softpipe_unmap_constant_buffers(sp);
diff --git a/src/gallium/drivers/softpipe/sp_state.h b/src/gallium/drivers/softpipe/sp_state.h
index 13935fd799..00da41b985 100644
--- a/src/gallium/drivers/softpipe/sp_state.h
+++ b/src/gallium/drivers/softpipe/sp_state.h
@@ -197,6 +197,16 @@ softpipe_draw_arrays_instanced(struct pipe_context *pipe,
unsigned startInstance,
unsigned instanceCount);
+boolean
+softpipe_draw_elements_instanced(struct pipe_context *pipe,
+ struct pipe_buffer *indexBuffer,
+ unsigned indexSize,
+ unsigned mode,
+ unsigned start,
+ unsigned count,
+ unsigned startInstance,
+ unsigned instanceCount);
+
void
softpipe_map_transfers(struct softpipe_context *sp);